## 编译环境 操作系统 * [X] Windows 7/8/10 * [ ] macOS * [ ] Linux `若需勾选，请把[ ]改成[x]` Tex发行版 * [X] TexLive `年份` * [ ] MikTeX `版本号` * [ ] CTeX `若需勾选，请把[ ]改成[x]` ## 我的问题 我准备自己做一个电路元件。具体说是一个电缆，circuitikz里有一个transmission line，但是没有地线我想做一个元件，现在是半成品。如果做成四端元件，画出node再连线，是可以的。但我想知道怎么在path上画node,node怎么盖住path。 \documentclass{article} \pagestyle{empty} \usepackage{circuitikz} \usepackage{xeCJK} \usepackage{graphicx} \usepackage{xcolor} \usepackage[T1]{fontenc} \usepackage{calc} \usepackage[paperwidth=10.5cm, paperheight=12.5cm,margin=1cm ]{geometry} \definecolor{XJBlue}{RGB}{0, 78, 151} \definecolor{XJRed}{RGB}{200, 22, 30} \definecolor{XJGray}{RGB}{220, 220, 221} \pgfdeclareshape{cable} { \anchor{center}{\pgfpointorigin} %中心点 \anchor{text} % {\pgfpoint{-0.5\wd\pgfnodeparttextbox}{-0.5\ht\pgfnodeparttextbox}} \savedanchor\in1{\pgfpoint{-1cm}{0cm}} % 入端信号/高压 \anchor{A1}{\in1} \savedanchor\in0{\pgfpoint{-1cm}{-0.5cm}} % 入端地 \anchor{A0}{\in0} \savedanchor\out1{\pgfpoint{1cm}{0cm}} % 出端信号/高压 \anchor{B1}{\out1} \savedanchor\out0{\pgfpoint{1cm}{-0.5cm}} % 出端地 \anchor{B0}{\out0} \foregroundpath{ % 图形在此输入 \pgfsetlinewidth{0.02cm} \begin{pgfscope} \pgfpathmoveto{\pgfpoint{1cm}{-0.22cm}} \pgfpathlineto{\pgfpoint{0.45cm}{-0.22cm}} \pgfpathlineto{\pgfpoint{0.45cm}{0.22cm}} \pgfpathlineto{\pgfpoint{1cm}{0.22cm}} \pgfusepath{clip} \pgfpathellipse{\pgfpoint{0.45cm}{0cm}} {\pgfpoint{0cm}{0.2cm}} {\pgfpoint{0.1cm}{0cm}} \pgfusepath{stroke} \end{pgfscope} \pgfpathmoveto{\pgfpoint{0.45cm}{-0.2cm}} \pgfpathlineto{\pgfpoint{-0.45cm}{-0.2cm}} \pgfpathmoveto{\pgfpoint{-0.45cm}{0.2cm}} \pgfpathlineto{\pgfpoint{0.45cm}{0.2cm}} \pgfusepath{stroke} \pgfpathellipse{\pgfpoint{-0.45cm}{0cm}} {\pgfpoint{0cm}{0.2cm}} {\pgfpoint{0.1cm}{0cm}} \pgfusepath{stroke} } } \begin{document} \begin{center} \begin{circuitikz} %\draw (0,0) to [transmission line] ++(2,0) coordinate(sw1) to [short, -*] ++(4,0); \draw (0,0) to node[cable,]{111} ++(2,0); \end{circuitikz} \end{center} \end{document}